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118629 (2000 HC42)
Classification: Main-belt Asteroid          SPK-ID: 2118629
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1932233318355981 3.1843e-08  
a 2.406786574447581 7.2144e-09 au
q 1.941739253515633 7.5647e-08 au
i 1.67970536017697 4.2269e-06 deg
node 19.26125453265141 0.00011506 deg
peri 323.7978654230319 0.00011565 deg
M 67.74054014727113 1.2264e-05 deg
tp 2458943.873824475339
(2020-Apr-04.37382448)
4.5854e-05 TDB
period 1363.812910083499
3.73
6.1321e-06
1.679e-08
d
yr
n .2639658250323786 1.1869e-09 deg/d
Q 2.871833895379529 8.6083e-09 au
  Orbit Determination Parameters
   # obs. used (total)      877  
   data-arc span      7588 days (20.77 yr)  
   first obs. used      2000-04-05  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5232  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:20:19  

Additional Information
 Earth MOID = .932368 au 
 Jupiter MOID = 2.53142 au 
 T_jup = 3.496 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.89   n/a E2021B55  

118629 (2000 HC42)          Discovered 2000-Apr-29 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 HC42 = 2001 ON71 = 2001 RY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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